[PATCH net v1 1/1] net: lan78xx: fix "softirq work is pending" error

From: Oleksij Rempel
Date: Mon Feb 26 2024 - 06:08:41 EST


Disable BH around the call to napi_schedule() to avoid following
error:
NOHZ tick-stop error: local softirq work is pending, handler #08!!!

Fixes: ec4c7e12396b ("lan78xx: Introduce NAPI polling support")
Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
drivers/net/usb/lan78xx.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 7d7e185d7fae..3ff430198512 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1501,7 +1501,9 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)

lan78xx_rx_urb_submit_all(dev);

+ local_bh_disable();
napi_schedule(&dev->napi);
+ local_bh_enable();
}

return 0;
--
2.39.2